# Add or Subtract Fractions

In this worksheet, students add or subtract fractions.

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Four Operations for All Numbers

Difficulty level:

### QUESTION 1 of 10

In this worksheet, we will learn how to add or subtract fractions.

Examples

To add or subtract two fractions, you must first make the denominators (bottom numbers) the same.

 2 9
+
 3 4
=
 2 × 4 36
+
 3 × 9 36
=
 8 + 27 36
=
 35 36

Subtraction

 5 8
-
 2 5
=
 5 × 5 40
-
 2 × 8 40
=
 25 - 16 40
=
 9 40

Remember that you should reduce your answers to their lowest terms if possible.

 5 7
+
 2 9
= ________

Subtract the fractions:

 3 7
-
 3 8
= ________

Subtract the fractions and reduce the answer:

 3 6
-
 2 8
= ________

Subtract the fractions:

 4 7
-
 3 8
= ________

Subtract the fractions and reduce:

 7 8
-
 5 8
= ________

Add the fractions and reduce:

 6 8
+
 1 5
= ________

Add the fractions and reduce:

 4 9
+
 4 8
= ________

Subtract the fractions:

 7 8
-
 7 9
= ________

Add the fractions and leave your answer as an improper fraction:

 9 10
+
 5 9
= ________

Subtract the fractions and reduce:

 3 7
-
 4 10
= ________
• Question 1

 5 7
+
 2 9
= ________
59/63
• Question 2

Subtract the fractions:

 3 7
-
 3 8
= ________
3/56
• Question 3

Subtract the fractions and reduce the answer:

 3 6
-
 2 8
= ________
1/4
• Question 4

Subtract the fractions:

 4 7
-
 3 8
= ________
11/56
• Question 5

Subtract the fractions and reduce:

 7 8
-
 5 8
= ________
1/4
• Question 6

Add the fractions and reduce:

 6 8
+
 1 5
= ________
19/20
• Question 7

Add the fractions and reduce:

 4 9
+
 4 8
= ________
17/18
• Question 8

Subtract the fractions:

 7 8
-
 7 9
= ________
7/72
• Question 9

Add the fractions and leave your answer as an improper fraction:

 9 10
+
 5 9
= ________
131/90
• Question 10

Subtract the fractions and reduce:

 3 7
-
 4 10
= ________
1/35
---- OR ----

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